Fowler 52-174-224-0 Twin Z-Height E Twin Beam Electronic Height Gage, 24" Maximum Measurement Range : 24" Accuracy :± 0.002" ¢ Carriage design with offset scriber holder¢ Base is ground and lapped for flatness¢ Handwheel provides course and fine movement¢ Updated electronic and mechanical design offers better accuracy and movement of carriage¢ Carbide tipped scriber¢ Functions include preset, in/mm conversion and ABS/INC for direct or win beam electronic height gauge with a precision of 0.001" (0.01mm) High-contrast LCD readout displays in inches or metric Large, hand-operated feed wheel provides the gauge with smooth, even travel Carbide-tipped scriber for hardness and durability Rust-resistant, satin chrome finish on the scales is glare-free